Content tagged with "coil-equipment"
Results: 18
Article
February 24, 2009
Stamper rebuffs recession with retool
Eagle Wings Industries, Rantoul, Ill., is a Tier 1 and Tier 2 supplier of large underbody assemblies and subassemblies. The company forms chassis parts (front and rear side members, floor reinforcements, I/P assemblies, side pillars, and strut houses); painted trim parts (front suspension... Read more...
Article
July 29, 2008
Die shop transitions to production stamper
What started as fill-in work for idle tool tryout presses has now become full-time production stamping for this die shop. Advanced feed lines and a multifunction software program helped facilitate the successful transition. Third-generation tool- and diemakers Tom and Jerry Wysoczynski broke... Read more...
Article
May 13, 2008
The finer points of coil handling for fineblanking
Fineblanking requires a heavy-duty press and special tooling. The goal is to produce a part that requires minimal work after the press operation. The proper coil handling equipment will help your fineblanking operation by producing a straight, flat strip from coiled material. The equipment... Read more...
Article
December 11, 2007
Article
October 9, 2007
For flawless cosmetic finish, start at the head
To remain competitive and profitable in the face of rising energy and material costs and low-cost overseas labor, North American stampers are offsetting these higher costs by increasing pressroom efficiency. Stampers are investing in automation to reduce labor costs and to expand the use of... Read more...
Article
September 11, 2007
Leveling flat-rolled strip
Many users of flat-rolled strip are demanding material with exceptional flatness. One reason is the increased use of lasers, robots, and other manufacturing techniques that are intolerant of height deviations and springback in material. In addition, applications such as automotive, appliance,... Read more...
Article
September 11, 2007
6 ways to focus on slitting lines
Editor's Note: This article is an edited version of an article that was published in the September 2005 issue The FABRICATOR®. As some stamping manufacturing has moved overseas, the U.S. slitting market has become saddled with overcapacity. Stampers can improve coil processing... Read more...
Article
August 8, 2007
Implementing a coil-end joiner
Almost all metal stampers have downtime at the end of a steel coil. The amount of time a line is nonproductive between coils can vary. It's not uncommon for downtime to exceed 20 minutes. On heavy-gauge lines, where a coil's linear footage is low, the amount of downtime can be excessive. Pax... Read more...
Article
June 12, 2007
Technological quantum leap
Figure 1 To generate consistent lengths and maintain flatness, Arme purchased a 60-in.-wide multiblanking line with a turnstile, coil car, payoff reel, precision leveler, crop shear, interchangeable slitter head for side trimming and multiblanking, looping pit equipment, electronic roll... Read more...
Article
April 10, 2007
Is metal roofing fabrication right for your shop?
In recent years the metal building industries have grown substantially. According to the Metal Roofing Alliance, the residential metal roofing market doubled its market share from 3 percent to 6 percent in five years. To take advantage of this growth, more fabricators are increasing the... Read more...
Article
February 19, 2007
The big payoff
Traditional slinging and hoisting of coils for mounting on vertical dereelers or positioning them in coil cradles requires extra personnel and is time-consuming because production must be stopped. When a line isn't running—it's not making money. To keep their lines moving, some... Read more...
Article
September 12, 2006
Doing its level best
More than ever manufacturers depend on high-quality blanked and stamped parts to reduce production costs, speed up assembly time, and eliminate secondary processing requirements. The automotive market in particular is focused on consistently achieving uniform and accurately dimensioned... Read more...
Article
August 8, 2006
Feed to registration
Figure 1 In the mid-1980s service centers attempted to create coils slit in a scroll pattern to reduce scrap. When processing round or nested parts, most stampers use one of these three methods with varying degrees of scrap rates: Conventional coil stock feeding into a one-out... Read more...
Article
March 7, 2006
How to avoid slit-in coil slitting problems
Good coil slitting tooling and practices result in good edge quality.
Many problems can arise during metal slitting. These include poor edge quality, edge burr, edge wave, camber, crossbow, knife marks, and slit width that is out of specification.
When slitting... Read more...
Article
February 7, 2006
Understanding press feeds
A press feed must not only move the proper amount of material into the tool, it must position it correctly into the die—front to back, side to side, and square with the tool. In this case, it must also gently handle prepainted coil to prevent scratching it. Over the last decade... Read more...
Article
February 7, 2006
Maintaining a slitting line
Modern slitting lines are high-performance machines that run at speeds up to 2,000 feet per minute and are intended to produce 24 hours a day, 365 days a year. For these reasons, coil processors must be sure all line elements are properly maintained, which represents a titanic effort if... Read more...
Article
December 13, 2005
Straight to the point
Stamping presses and coil feed lines—a match made in productivity heaven. When running smoothly and well synchronized, few manufacturing processes can outperform the stamping line for its cost efficiencies and proficiency. Then again, when individual pieces of equipment comprising... Read more...
Article
December 13, 2005
Coil feed line considerations when stamping HSS
High-strength steel (HSS) rapidly is becoming a popular material for the automotive industry. Why? With its higher tensile and yield strengths, HSS is stronger at all gauges than conventional mild steels. Initially light-gauge HSS was used to replace heavy-gauge mild steel to reduce... Read more...
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